025  
FNUS76 KSEW 101221  
FWSSEW  
 
SPOT FORECAST FOR MITCHELL HILL RX...NATIONAL PARK SERVICE  
NATIONAL WEATHER SERVICE SEATTLE WA  
521 AM PDT FRI APR 10 2026  
 
FORECAST IS BASED ON IGNITION TIME OF 0600 PDT ON APRIL 10.  
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER  
SERVICE.  
 
PLEASE CONTACT OUR OFFICE AT (206) 526-6095, IF YOU HAVE QUESTIONS  
OR CONCERNS WITH THIS FORECAST.  
   
DISCUSSION
 
DRY CONDITIONS TODAY WITH INCREASING HIGH CLOUDS.  
MINIMUM RH VALUES WILL BE IN THE MID 50 PERCENT RANGE THIS  
AFTERNOON. RAIN SHOWERS WILL MOVE NORTHWARDS TOWARDS THE SITE  
EARLY SATURDAY MORNING, PARTICULARLY AFTER 0700. PRECIPITATION  
CHANCES PEAK BETWEEN 0900 TO 1500 ON SATURDAY. LIGHT NORTH  
WINDS TODAY WILL TRANSITION TO SOUTHERLY ON SATURDAY.  
   
TODAY
 
 
SKY/WEATHER.........PARTLY SUNNY (50-60 PERCENT).  
CWR.................0 PERCENT.  
CHANCE OF LIGHTNING.0 PERCENT.  
MAX TEMPERATURE.....AROUND 59.  
MIN HUMIDITY........53 TO 57 PERCENT.  
WIND (20 FT)........NORTH WINDS AROUND 5 MPH.  
MIXING HEIGHT.......200 FT AGL.  
TRANSPORT WINDS.....NORTH AROUND 3 MPH.  
RAINFALL AMOUNT.....0.00 INCHES.  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY (70-80 PERCENT). SLIGHT CHANCE  
OF RAIN SHOWERS OVERNIGHT.  
CWR.................0 PERCENT.  
CHANCE OF LIGHTNING.1 PERCENT.  
MIN TEMPERATURE.....AROUND 46.  
MAX HUMIDITY........94 PERCENT.  
WIND (20 FT)........LIGHT WINDS.  
MIXING HEIGHT.......100 FT AGL.  
TRANSPORT WINDS.....NORTHWEST AROUND 3 MPH.  
RAINFALL AMOUNT.....0.01 INCHES.  
   
SATURDAY
 
 
SKY/WEATHER.........MOSTLY CLOUDY (80-90 PERCENT). CHANCE OF RAIN  
SHOWERS THROUGH THE DAY.  
CWR.................17 PERCENT.  
CHANCE OF LIGHTNING.4 PERCENT.  
MAX TEMPERATURE.....AROUND 55.  
MIN HUMIDITY........79 TO 83 PERCENT.  
WIND (20 FT)........SOUTH WINDS AROUND 4 TO 9 MPH.  
MIXING HEIGHT.......300 FT AGL.  
TRANSPORT WINDS.....SOUTHWEST AROUND 6 MPH.  
RAINFALL AMOUNT.....0.08 INCHES.  
 

 
FORECASTER...DEFLITCH  
REQUESTED BY...BRIAN GOLD  
TYPE OF REQUEST...PRESCRIBED  
.TAG 2608939.4/SEW  
.DELDT 04/10/26  
.FORMATTERVERSION 2.0.0  
.EMAIL BRIAN_GOLD@NPS.GOV  
 
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